Disazo dyes with hydroxysulfonylnaphthalene coupling components

Details Disazo dyes with hydroxysulfonylnaphthalene coupling components Disazo dyes with hydroxysulfonylnaphthalene coupling components

1991-08-08

1992-12-29

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534589, 534606, 534614, 534628, 534637, 534728, 534763, 534834, 534836, 534837, 534583, 534801, 106 22K, 106 23K, C09B 3108, C09B 4408, C09D 1102, C09D 1116

Patent

active

051752603

ABSTRACT:
Disazo dyes suitable for preparing inks have the formula ##STR1## where m is 1 or 2,

REFERENCES:
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patent: 3652532 (1972-03-01), Blackwell
patent: 3836518 (1974-09-01), Clark
patent: 4626284 (1986-12-01), Ohta et al.
patent: 4656256 (1987-04-01), Colberg et al.
patent: 4694075 (1987-09-01), Colberg et al.
patent: 4752337 (1988-06-01), Kunde
patent: 4873319 (1989-10-01), Stingelin

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